{"id":163233,"date":"2024-11-04T21:47:19","date_gmt":"2024-11-04T13:47:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/163233\/"},"modified":"2024-11-04T21:47:20","modified_gmt":"2024-11-04T13:47:20","slug":"%e8%a7%a3%e6%b1%bajava-xls%e5%b0%8e%e5%85%a5%e6%95%b8%e6%93%9a%e5%ba%ab%e5%85%ac%e5%bc%8f%e5%95%8f%e9%a1%8c%ef%bc%88java-xls%e5%b0%8e%e5%85%a5%e6%95%b8%e6%93%9a%e5%ba%ab-%e5%85%ac%e5%bc%8f%e5%95%8f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/163233\/","title":{"rendered":"\u89e3\u6c7aJava XLS\u5c0e\u5165\u6578\u64da\u5eab\u516c\u5f0f\u554f\u984c\uff08Java XLS\u5c0e\u5165\u6578\u64da\u5eab \u516c\u5f0f\u554f\u984c\uff09"},"content":{"rendered":"

\u89e3\u6c7aJava XLS\u5c0e\u5165\u6578\u64da\u5eab\u516c\u5f0f\u554f\u984c<\/h1>\n

\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0c\u5c07Excel\u6587\u4ef6\u4e2d\u7684\u6578\u64da\u5c0e\u5165\u6578\u64da\u5eab\u662f\u4e00\u500b\u5e38\u898b\u7684\u9700\u6c42\u3002\u7279\u5225\u662f\u5c0d\u65bc\u4f7f\u7528Java\u9032\u884c\u958b\u767c\u7684\u61c9\u7528\u7a0b\u5e8f\uff0c\u9019\u4e00\u904e\u7a0b\u53ef\u80fd\u6703\u9047\u5230\u4e00\u4e9b\u6311\u6230\uff0c\u5c24\u5176\u662f\u7576Excel\u6587\u4ef6\u4e2d\u5305\u542b\u516c\u5f0f\u6642\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u6709\u6548\u5730\u89e3\u6c7aJava XLS\u5c0e\u5165\u6578\u64da\u5eab\u4e2d\u7684\u516c\u5f0f\u554f\u984c\u3002<\/p>\n

\u7406\u89e3Excel\u4e2d\u7684\u516c\u5f0f<\/h2>\n

Excel\u4e2d\u7684\u516c\u5f0f\u662f\u7528\u4f86\u9032\u884c\u8a08\u7b97\u548c\u6578\u64da\u8655\u7406\u7684\u5de5\u5177\u3002\u7576\u6211\u5011\u5c07\u5305\u542b\u516c\u5f0f\u7684Excel\u6587\u4ef6\u5c0e\u5165\u6578\u64da\u5eab\u6642\uff0c\u9019\u4e9b\u516c\u5f0f\u7684\u8a08\u7b97\u7d50\u679c\u53ef\u80fd\u6703\u88ab\u5ffd\u7565\uff0c\u5c0e\u81f4\u5c0e\u5165\u7684\u6578\u64da\u4e0d\u5b8c\u6574\u6216\u4e0d\u6b63\u78ba\u3002\u56e0\u6b64\uff0c\u4e86\u89e3\u5982\u4f55\u8655\u7406\u9019\u4e9b\u516c\u5f0f\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002<\/p>\n

\u4f7f\u7528Apache POI\u8b80\u53d6Excel\u6587\u4ef6<\/h2>\n

Apache POI\u662f\u4e00\u500b\u6d41\u884c\u7684Java\u5eab\uff0c\u7528\u65bc\u8b80\u53d6\u548c\u5beb\u5165Microsoft Office\u683c\u5f0f\u7684\u6587\u4ef6\uff0c\u5305\u62ecExcel\u3002\u4f7f\u7528Apache POI\uff0c\u6211\u5011\u53ef\u4ee5\u8f15\u9b06\u5730\u8b80\u53d6Excel\u6587\u4ef6\u4e2d\u7684\u6578\u64da\u548c\u516c\u5f0f\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528Apache POI\u8b80\u53d6Excel\u6587\u4ef6\u4e2d\u7684\u6578\u64da\uff1a<\/p>\n

import org.apache.poi.ss.usermodel.*;\nimport org.apache.poi.xssf.usermodel.XSSFWorkbook;\n\nimport java.io.FileInputStream;\nimport java.io.IOException;\n\npublic class ExcelReader {\n    public static void main(String[] args) {\n        try (FileInputStream fis = new FileInputStream(\"example.xlsx\");\n             Workbook workbook = new XSSFWorkbook(fis)) {\n             \n            Sheet sheet = workbook.getSheetAt(0);\n            for (Row row : sheet) {\n                for (Cell cell : row) {\n                    switch (cell.getCellType()) {\n                        case STRING:\n                            System.out.print(cell.getStringCellValue() + \"t\");\n                            break;\n                        case NUMERIC:\n                            System.out.print(cell.getNumericCellValue() + \"t\");\n                            break;\n                        case FORMULA:\n                            System.out.print(cell.getCellFormula() + \"t\");\n                            break;\n                        default:\n                            break;\n                    }\n                }\n                System.out.println();\n            }\n        } catch (IOException e) {\n            e.printStackTrace();\n        }\n    }\n}<\/code><\/pre>\n
\u8a08\u7b97\u516c\u5f0f\u7684\u503c<\/h2>\n
\u5728\u8b80\u53d6\u5230\u516c\u5f0f\u5f8c\uff0c\u6211\u5011\u9700\u8981\u8a08\u7b97\u9019\u4e9b\u516c\u5f0f\u7684\u503c\uff0c\u4ee5\u4fbf\u5c07\u5176\u6b63\u78ba\u5730\u5c0e\u5165\u6578\u64da\u5eab\u3002Apache POI\u63d0\u4f9b\u4e86\u8a08\u7b97\u516c\u5f0f\u7684\u529f\u80fd\u3002\u6211\u5011\u53ef\u4ee5\u4f7f\u7528FormulaEvaluator\u4f86\u8a08\u7b97\u516c\u5f0f\u7684\u503c\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u8a08\u7b97\u516c\u5f0f\u503c\u7684\u793a\u4f8b\uff1a<\/p>\n
FormulaEvaluator evaluator = workbook.getCreationHelper().createFormulaEvaluator();\nfor (Row row : sheet) {\n    for (Cell cell : row) {\n        if (cell.getCellType() == CellType.FORMULA) {\n            double value = evaluator.evaluateFormulaCell(cell);\n            System.out.print(value + \"t\");\n        }\n    }\n}<\/code><\/pre>\n
\u5c07\u6578\u64da\u5c0e\u5165\u6578\u64da\u5eab<\/h2>\n
\u4e00\u65e6\u6211\u5011\u7372\u5f97\u4e86Excel\u6587\u4ef6\u4e2d\u6240\u6709\u6578\u64da\u7684\u503c\uff0c\u5305\u62ec\u516c\u5f0f\u7684\u8a08\u7b97\u7d50\u679c\uff0c\u5c31\u53ef\u4ee5\u5c07\u9019\u4e9b\u6578\u64da\u5c0e\u5165\u6578\u64da\u5eab\u3002\u9019\u901a\u5e38\u6d89\u53ca\u5230\u4f7f\u7528JDBC\uff08Java Database Connectivity\uff09\u4f86\u9023\u63a5\u6578\u64da\u5eab\u4e26\u57f7\u884c\u63d2\u5165\u64cd\u4f5c\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5c07\u6578\u64da\u63d2\u5165\u5230MySQL\u6578\u64da\u5eab\u4e2d\uff1a<\/p>\n
import java.sql.Connection;\nimport java.sql.DriverManager;\nimport java.sql.PreparedStatement;\n\npublic class DatabaseInserter {\n    public static void insertData(String value) {\n        String url = \"jdbc:mysql:\/\/localhost:3306\/yourdatabase\";\n        String user = \"username\";\n        String password = \"password\";\n\n        try (Connection conn = DriverManager.getConnection(url, user, password);\n             PreparedStatement pstmt = conn.prepareStatement(\"INSERT INTO yourtable (columnname) VALUES (?)\")) {\n             \n            pstmt.setString(1, value);\n            pstmt.executeUpdate();\n        } catch (Exception e) {\n            e.printStackTrace();\n        }\n    }\n}<\/code><\/pre>\n
\u7e3d\u7d50<\/h2>\n
\u5728Java\u4e2d\u5c0e\u5165\u5305\u542b\u516c\u5f0f\u7684Excel\u6587\u4ef6\u5230\u6578\u64da\u5eab\u7684\u904e\u7a0b\u4e2d\uff0c\u4f7f\u7528Apache POI\u4f86\u8b80\u53d6\u548c\u8a08\u7b97\u516c\u5f0f\u662f\u975e\u5e38\u6709\u6548\u7684\u3002\u901a\u904e\u6b63\u78ba\u5730\u8655\u7406\u516c\u5f0f\uff0c\u6211\u5011\u53ef\u4ee5\u78ba\u4fdd\u5c0e\u5165\u7684\u6578\u64da\u6e96\u78ba\u7121\u8aa4\u3002\u9019\u4e00\u904e\u7a0b\u4e0d\u50c5\u63d0\u9ad8\u4e86\u6578\u64da\u8655\u7406\u7684\u6548\u7387\uff0c\u4e5f\u70ba\u5f8c\u7e8c\u7684\u6578\u64da\u5206\u6790\u548c\u5831\u544a\u63d0\u4f9b\u4e86\u53ef\u9760\u7684\u57fa\u790e\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u6578\u64da\u8655\u7406\u9700\u6c42\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u9069\u5408\u5404\u7a2e\u696d\u52d9\u9700\u6c42\u3002\u7121\u8ad6\u662f \u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u89e3\u6c7aJava XLS\u5c0e\u5165\u6578\u64da\u5eab\u4e2d\u7684\u516c\u5f0f\u554f\u984c\uff0c\u63d0\u4f9b\u6709\u6548\u7684\u65b9\u6cd5\u548c\u6280\u5de7\uff0c\u78ba\u4fdd\u6578\u64da\u6e96\u78ba\u7121\u8aa4\u5730\u8f49\u79fb\u5230\u6578\u64da\u5eab\u4e2d\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-163233","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/163233","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=163233"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/163233\/revisions"}],"predecessor-version":[{"id":163234,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/163233\/revisions\/163234"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=163233"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=163233"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=163233"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}